The monarch mechanic is pretty hotly contested in my circles with regard to whether its fun to Cube with, but you cant deny that the cards are powerful
If the future state is that Panoptic Mirror, Mirror Universe, and Lich's Mirror are all "Artifact - Mirror" cards, what's the harm in that
Having Cycling itself also enables some desperate discard plays if your rummage spells dont line up right, which is something Adept cant do
There are a bunch of different ways comprehension complexity can rear its ugly head
Even monocolored decks like Etali, Primal Storm can benefit from the shuffle effects if you know whats on top
Kuzan specifically draws you a card as soon as its played, and can reduce characters cost when attacking, synergizing perfectly with other black cards with K.O